Answer:
A day that reveals to him, more than all other days in the year, the gross injustice and cruelty to which he is the constant victim. He touches on the history of the American Revolutionaries' fight for freedom against their legal bondage under British rule. He tells the audience that he supports the actions of these revolutionaries. Douglass thereby sets up an argument for the freeing of slaves. He reminds the audience that, in 1776, many people thought it was subversive and dangerous to revolt against British tyranny.